Add `api_go_proto_library` target for HealthCheck proto. (#587)
Add `api_go_proto_library` target for HealthCheck proto. (#587)

Signed-off-by: John Millikin <c2721f190fc8a7d638d49143a4293b737586ee02@stripe.com>

lyft/envoy-api,lyft/envoy-api,lyft/envoy-api